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Taxonomy
Cytherea trigonula was named by Deshayes (1825) [DISTRIBUTION: Eocene; western Europe.]. It is not a trace fossil.
It was recombined as Meretrix trigonula by Burton (1933); it was recombined as Sunetta trigonula by Morellet and Morellet (1944); it was recombined as Meroena trigonula by Le Renard and Pacaud (1995).
It was recombined as Meretrix trigonula by Burton (1933); it was recombined as Sunetta trigonula by Morellet and Morellet (1944); it was recombined as Meroena trigonula by Le Renard and Pacaud (1995).
Synonymy list
| Year | Name and author |
|---|---|
| 1825 | Cytherea trigonula Deshayes p. 139 figs. pl. 21, figs. 12-13 |
| 1933 | Meretrix trigonula Burton |
| 1944 | Sunetta trigonula Morellet and Morellet |
| 1995 | Meroena trigonula Le Renard and Pacaud p. 72 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Meroena trigonula Deshayes 1825
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Bartonian to the top of the Late/Upper Eocene or 41.30000 to 33.90000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian | United Kingdom (England) | Meretrix trigonula (42636 42639) | |
| Bartonian | France (Oise) | Sunetta trigonula (3494) | |
| Late/Upper Eocene | United Kingdom (England) | Meretrix trigonula (42640) |